pulsatile ventricular assist device
Windkessel model of hemodynamic state supported by a pulsatile ventricular assist device in premature ventricle contraction
... Although PVCs are not dangerous arrhythmias, their frequency affects the occurrence of dangerous arrhythmias such as ventricular fibrillation [28, 29]. PVC data enable analysis of the effect of various types of ...
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Heart monitoring using left ventricle impedance and ventricular electrocardiography in left ventricular assist device patients
... involving pulsatile VADs showed relatively complex changes in LVI pat- ...and ventricular volume may differ between individual animals, because the amount of LV muscle and the irregular inflow from the LA ...
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Interest of Ventricular Assist Device in Peripartum Cardiomyopathy, a Case Report and Review Article*
... The therapeutic option for severe, symptomatic end stage heart failure despite optimal medical treatment and eventually cardiac resynchronization therapy is heart transplantation, though this option is reserved to ...
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Accuracy of the Masimo Pronto-7® system in patients with left ventricular assist device
... left ventricular cardiac failure, a rotary blood pump generates a constant, continuous, non-pulsatile flow to improve effective cardiac ...left ventricular cardiac ...continuous-flow-left ...
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Stroke and Left Ventricular Assist Device (LVAD)
... increases, the flow will be less pulsatile. Figure 3 shows a theoretical arterial wave form decrease as the speed in- creases from 4000 rpm to 12,000 rpm. As the arterial wave form oscillations decrease, a ...
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Mechanical circulatory support for advanced heart failure : are we about to witness a new "gold standard"?
... left ventricular assist devices (LVADs) for the treatment of advanced heart failure has played a significant role as a bridge to transplant and more recently as a long-term solution for non-eligible ...left ...
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Resternotomy does not adversely affect outcome after left ventricular assist device implantation
... 135 pulsatile-flow devices implanted as BTT therapy with 53% reported rate of resternotomy demonstrated that resternotomy did not have an impact on the rates of severe bleeding requiring re-exploration, ...
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Ethical challenges with the left ventricular assist device as a destination therapy
... the device system to maintain adequate circulatory sup- port ...Most device malfunctions or failures are life threatening but do not necessarily result in ...death. Device replacement may be required ...
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Evaluation of Left Ventricular Assist Device Electrical Current as a Predictor of Left Ventricular Recovery
... SuperPump pulsatile pump, an ultrasonic flow sensor (ME-11PXL Clamp-on Tubing Flow sensors; Transonic Systems, Ithaca, NY, USA) and the ViViTest data acquisition ...
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Effect of counter-pulsation control of a pulsatile left ventricular assist device on working load variations of the native heart
... Several studies have investigated the relationship between the control scheme of the LVAD and the working load of the native heart. For example, Shi et al . assessed the hemodynamic benefits of three pumping modes ...
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Right ventricular failure following left ventricular assist device implantation is associated with a preoperative pro-inflammatory response
... underwent pulsatile durable LVADs in our study since these have been largely replaced by pul- satile flow devices and carry a very different postoperative outcomes and complication ...
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Thromboembolic stroke in patients with a HeartMate-II left ventricular assist device – the role of anticoagulation
... Background and purpose: It is unknown what the optimal anticoagulant level is to prevent thromboembolic stroke in patients with left ventricular assist device (LVAD) support. We aimed to evaluate the ...
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Osteopathic treatment in a patient with left-ventricular assist device with left brachialgia: a case report
... Abstract: This study deals with an osteopathic approach used for a patient with left-ventricular assist device (L-VAD) affected by left brachialgia. Clinical examination revealed the presence of ...
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A Comparison Study of Cavitating Flow in a Ventricular Assist Device Using Laminar and Turbulent Model
... In the present study, we applied the similar strategy to simulate the flow of a mechanical heart valve closure and compared the results obtained by laminar and turbulent models... Physic[r] ...
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Substernal epicardial echocardiography in a patient undergoing left ventricular assist device: a case report
... The device is placed in an anterior epicardial position prior to closure of the sternum, and allows the subsequent insertion of a standard TOE probe, allowing post- operative echocardiographic imaging of the ...
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Impact of Ventricular Assist Device Implantation on Clinical and Economic Outcomes of Heart Transplantation in the United States from 2003 2007
... Ongoing limitations in donor heart supply and improve- ments in ventricular assist device (VAD) technology have led to increased utilization of VADs as a bridge to transplantation [1-5]. Decreasing ...
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Is there a difference in bleeding after left ventricular assist device implant: centrifugal versus axial?
... left ventricular assist devices (CF-LVAD) have become the standard of care for patients with end stage heart ...failure. Device reliability has increased, bringing the potential for VAD, compared to ...
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Mechanical Circulatory Support Devices for Cardiogenic Shock: State of the Art
... include device migration, device malfunction due to thrombosis, hemolysis, bleeding requiring transfusion, arrhythmias, limb ischemia, tamponade, aortic or mi- tral valve injury, and stroke [1, ...
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Feasibility and efficacy of bypassing the right ventricle and pulmonary circulation to treat right ventricular failure: an experimental study
... Right ventricular failure often exhibits the final phases of various diseases ...left ventricular fail- ure ...circulatory assist is still associated with poor results ...right ventricular ...
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Numerical investigation of impeller design variation on mechanical blood pump hemodynamics
... Pagani, F. D. (2008). Continuous-flow rotary left ventricular assist devices with "3rd generation" design. Seminars in thoracic and cardiovascular surgery, 20(3):255–63. Paul, R., Apel, J., Klaus, ...
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